Spiral Gradient Dilution Plate Stencil

Used to draw radial lines on the backside of 150mm plastic petri dishes for Spiral Gradient Dilution.
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updated November 26, 2024

Description

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Stencil cutouts include 16 lines (50mm length) separated every 22.5 degrees, and a center and secondary hole to align a cutout with a 50ml conical tube. 

Stencil has been tested on VWR and Falcon 150mm diameter petri dishes, with a moderately-used Fine Point Permanent Marker (Sharpie).

Adapted for use in Spiral Gradient Dilution as described in Forster et al. 2004

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